CN216027871U

CN216027871U - Rivet pressing head structure with pre-pressing function

Info

Publication number: CN216027871U
Application number: CN202122016455.0U
Authority: CN
Inventors: 孙兵
Original assignee: Anhui Jincen Composites Co ltd
Current assignee: Anhui Jincen Composites Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-15
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a rivet pressing head structure with a pre-pressing function, and relates to the technical field of riveting equipment. The whole subassembly of installing on the pneumatic cylinder motion end moves down through driving the pneumatic cylinder, it contacts with needs riveted position earlier to go up the riveting die, elastic pressing block's including going up the riveting die effect is retrieved afterwards, cover and riveted position contact in advance, elastic pressing block's stroke is ended in this moment, interior elastic pressing block is fixed, interior elastic pressing block rivets this moment, can not carry out the pre-compaction to riveted position when having solved its riveting, just so cause the skew of riveting position easily, impression riveted concrete position, the problem of the actual quality of product has further been changed.

Description

Rivet pressing head structure with pre-pressing function

Technical Field

The utility model relates to the technical field of riveting equipment, in particular to a rivet pressing head structure with a pre-pressing function.

Background

Riveting (rivetting), that is, rivet connection, is a mechanical vocabulary, and is a method for connecting a plurality of parts by upsetting a stem in a rivet hole of the part and forming a head by using axial force.

Driven riveting equipment has certain defect when using, can not carry out the pre-compaction to riveted position during its riveting, just so causes the skew of riveting position easily, influences riveted concrete position, has further changed the actual quality of product.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rivet pressing head structure with a pre-pressing function, which solves the problems in the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a rivet pressure head structure of area pre-compaction function, includes the pressure riveting combination subassembly, the pressure riveting combination subassembly is fixed to be set up in C shape riveting gun main part, the pressure riveting combination subassembly is including fixing the pneumatic cylinder on C shape riveting gun main part upper end surface, the motion end of pneumatic cylinder runs through the upper end surface of C shape riveting gun main part to the fixed interior elastic pressing block that is provided with, the motion of pneumatic cylinder is served and is located the fixed external fixation cover piece that is provided with in the external fixation of elastic pressing block, the fixed mould of riveting of being provided with in bottom centre of a circle position department of interior elastic pressing block, the fixed cover that prestresses that is provided with in bottom centre of a circle position department of external fixation cover piece, the fixed mould of riveting down that is provided with on the lower terminal surface of pneumatic cylinder.

As a further scheme of the utility model: the length value of the upper riveting die is larger than that of the pre-pressing cover, and the upper riveting die is matched with the interior of the pre-pressing cover.

As a further scheme of the utility model: the hydraulic cylinder is communicated with an external oil way.

As a further scheme of the utility model: the outer diameter of the lower riveting die is larger than that of the upper riveting die.

As a further scheme of the utility model: the mounting positions of the hydraulic cylinder, the inner elastic pressing block, the outer fixed sleeve block, the pre-pressing cover, the upper riveting die and the lower riveting die are positioned on the same axis.

As a further scheme of the utility model: the pressure riveting combination assembly is integrally arranged on the C-shaped riveting gun main body, the C-shaped riveting gun main body is fixed on the connection pressing frame, the connection pressing frame is connected with the balancer, the balancer is hung on the monorail trailer, the monorail trailer is movably arranged on the displacement guide rail, and the displacement guide rail is fixedly connected with an external fixing piece.

The utility model provides a rivet pressing head structure with a pre-pressing function. Compared with the prior art, the method has the following beneficial effects:

the utility model provides a take rivet pressure head structure of pre-compaction function, move down through driving the subassembly that installs on the pneumatic cylinder motion end with the pneumatic cylinder whole, go up the riveting die and contact with the position that needs the riveting earlier, go up the riveting die and retrieve under the effect of interior elastic pressing block afterwards, cover and riveted position contact in advance, the stroke of interior elastic pressing block finishes this moment, interior elastic pressing block is fixed, interior elastic pressing block rivets this moment, can not carry out the pre-compaction to riveted position when having solved its riveting, just so cause the skew of riveting position easily, influence riveted concrete position, the problem of the actual quality of product has further been changed.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention.

In the figure: 1. pressing and riveting the combined assembly; 2. a C-shaped riveting gun main body; 3. a combined pressing frame; 4. a balancer; 5. a monorail trailer; 6. a displacement guide rail; 11. a hydraulic cylinder; 12. an inner elastic pressing block; 13. an external fixing sleeve block; 14. a pre-pressing cover; 15. riveting a die; 16. and (6) riveting the die.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the utility model, the following detailed description is given for the specific embodiments, structures, features and effects of the present invention in conjunction with the accompanying drawings and preferred embodiments.

Referring to fig. 1-2, the riveting device comprises a riveting assembly 1, the riveting assembly 1 is fixedly arranged on a C-shaped riveting gun body 2, the riveting assembly 1 comprises a hydraulic cylinder 11 fixed on the upper end surface of the C-shaped riveting gun body 2, the hydraulic cylinder 11 provides power for the device as a whole, the moving end of the hydraulic cylinder 11 penetrates through the upper end surface of the C-shaped riveting gun body 2 and is fixedly provided with an inner elastic pressing block 12, so that the inner elastic pressing block 12 can move depending on the moving end of the hydraulic cylinder 11, an outer fixed sleeve block 13 is fixedly arranged on the moving end of the hydraulic cylinder 11 and positioned outside the inner elastic pressing block 12, an upper riveting die 15 is fixedly arranged at the bottom circle center position of the inner elastic pressing block 12, the upper riveting die 15 is a necessary tool for riveting, and a pre-pressing cover 14 is fixedly arranged at the bottom circle center position of the outer fixed sleeve block 13, the prepressing cover 14 performs prepressing on a part to be riveted, a lower riveting die 16 is fixedly arranged on the lower end face of the hydraulic cylinder 11, and the lower riveting die 16 is also a necessary tool for riveting.

The length value of the upper riveting die 15 is greater than that of the pre-pressing cover 14, the upper riveting die 15 is matched with the interior of the pre-pressing cover 14, and the length value of the upper riveting die 15 needs to be greater than that of the pre-pressing cover 14 because the moving stroke of the upper riveting die 15 is greater than that of the pre-pressing cover 14.

The hydraulic cylinder 11 is communicated with an external oil path, so that the hydraulic cylinder 11 can be ensured to have power and work.

The outer diameter of the lower riveting die 16 is larger than that of the upper riveting die 15, and the size of the riveted structure is smaller than that of the lower riveting die 16, so that a certain pressure is ensured on the pre-pressing cover 14.

The mounting positions of the hydraulic cylinder 11, the inner elastic pressing block 12, the outer fixing sleeve block 13, the pre-pressing cover 14, the upper riveting die 15 and the lower riveting die 16 are coaxial, so that the overall workability of riveting is ensured, and further the eccentric condition of riveting cannot occur.

The press riveting combination assembly 1 is integrally arranged on a C-shaped riveting gun main body 2, the C-shaped riveting gun main body 2 is fixed on a connection pressing frame 3, the connection pressing frame 3 is connected with a balancer 4, the balancer 4 is hung on a monorail trailer 5, the monorail trailer 5 is movably arranged on a displacement guide rail 6, and the displacement guide rail 6 is fixedly connected with an external fixing piece.

When the riveting device is used, a structural part to be riveted is placed on the lower riveting die 16, the hydraulic cylinder 11 drives the assembly arranged at the moving end of the hydraulic cylinder 11 to move downwards integrally, the upper riveting die 15 is firstly contacted with a position to be riveted, then the upper riveting die 15 is recovered under the action of the inner elastic pressing block 12, the pre-pressing cover 14 is contacted with the riveted position, the stroke of the inner elastic pressing block 12 is ended, the inner elastic pressing block 12 is fixed, and the inner elastic pressing block 12 is riveted, so that the operation is completed.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a pressure head structure is riveted to rivet pressure of area pre-compaction function, rivets joint Assembly (1) including the pressure, its characterized in that: the riveting assembly (1) is fixedly arranged on the C-shaped riveting gun main body (2), the riveting assembly (1) comprises a hydraulic cylinder (11) fixed on the upper end surface of the C-shaped riveting gun main body (2), the moving end of the hydraulic cylinder (11) penetrates through the upper end surface of the C-shaped riveting gun main body (2) and is fixedly provided with an inner elastic pressing block (12), an outer fixing sleeve block (13) is fixedly arranged on the moving end of the hydraulic cylinder (11) and is located outside the inner elastic pressing block (12), an upper riveting die (15) is fixedly arranged at the position of the center of a circle at the bottom of the inner elastic pressing block (12), a pre-pressing cover (14) is fixedly arranged at the position of the center of a circle at the bottom of the outer fixing sleeve block (13), and a lower riveting die (16) is fixedly arranged on the lower end surface of the hydraulic cylinder (11).

2. The rivet pressing head structure with the pre-pressing function according to claim 1, characterized in that: the length value of the upper riveting die (15) is larger than that of the prepressing cover (14), and the upper riveting die (15) is matched with the interior of the prepressing cover (14).

3. The rivet pressing head structure with the pre-pressing function according to claim 1, characterized in that: the hydraulic cylinder (11) is communicated with an external oil way.

4. The rivet pressing head structure with the pre-pressing function according to claim 1, characterized in that: the outer diameter of the lower riveting die (16) is larger than that of the upper riveting die (15).

5. The rivet pressing head structure with the pre-pressing function according to claim 1, characterized in that: the mounting positions of the hydraulic cylinder (11), the inner elastic pressing block (12), the outer fixing sleeve block (13), the pre-pressing cover (14), the upper riveting die (15) and the lower riveting die (16) are located on the same axis.

6. The rivet pressing head structure with the pre-pressing function according to claim 1, characterized in that: the pressure riveting combination assembly (1) is integrally arranged on a C-shaped riveting gun main body (2), the C-shaped riveting gun main body (2) is fixed on a connection pressing frame (3), the connection pressing frame (3) is connected with a balancer (4), the balancer (4) is hung on a monorail trailer (5), the monorail trailer (5) is movably arranged on a displacement guide rail (6), and the displacement guide rail (6) is fixedly connected with an external fixing piece.